def break_words(stuff):
    """ This function will break up words for us. """
    words = stuff.split(' ')
    return words
def sort_words(words):
    """ Sorts the words. """
    return sorted(words)

def print_first_word(words):
    """ Prints the first word after popping it off. """
    word = words.pop(0)
    print(word)

def print_last_word(words):
    """ Prints the last word after popping it off. """
    word = words.pop(-1)
    print(word)

def sort_sentence(sentence):
    """ Takes in a full sentence and returns the sorted words. """
    words = break_words(sentence)
    return sort_words(words)

def print_first_and_last(sentence):
    """ Prints the first and last words of the sentence. """
    words = break_words(sentence)
    print_first_word(words)
    print_last_word(words)

def print_first_and_last_sorted(sentence):
    """ Sorts the words then prints the first and last one. """
    words = sort_sentence(sentence)
    print_first_word(words)
    print_last_word(words)